Chevrolet Corvette 2020–2023 — technical service bulletin
Bulletin PIP5914 · NHTSA communication 10234247 · issued Mar 29, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2020–2023
model years
4
vehicle entries
Official summary
This Preliminary information communicates to dealers that an engine/exhaust whoosh noise condition heard during active fuel management transition is considered a design characteristic.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.